测试婴儿湿巾的缓冲能力:一个接近生活的实验

大学化学 Pub Date : 2020-01-01 DOI:10.3866/pku.dxhx201905022

F. Yu, 光电化学材料与器件教育部重点实验室武汉 sup 江汉大学化学与环境工程学院, Bao Li, 武汉 sup 华中科技大学化学与化工学院

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引用次数: 0

摘要

:为有效提高学生学习缓冲溶液的兴趣和热情，推荐一个将真实生活用品引入实验教学的案例。本实验设计将性能测试扩展到婴儿湿巾，将实验内容改为对湿巾工作原理的验证，而不是以往简单的酸碱体系制备及相关验证实验。通过本实验的实施，学生普遍反映可以有效激发他们学习缓冲液相关内容的积极性和兴趣，最终促进他们认识缓冲体系pH变化的特点和缓冲机制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Testing the Buffer Capacity of Baby Wipes: An Experiment Close to Life

: In order to effectively enhance students’ interest and enthusiasm in learning buffer solution, a case of introducing real daily necessities into laboratory teaching is recommended. The experimental design extends the property test to the baby wipe, and changes the content of the experiment into the verification of the working principle of wipe, instead of preparation of simple acid-base system and related verification experiments in the past. Through the implementation of this experiment, students generally reflected that it can effectively stimulate their enthusiasm and interest in learning buffer solution related contents, and ultimately promote them to recognize the characteristics and buffer mechanism of pH changes in buffer system.

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来源期刊

大学化学

自引率

0.00%

发文量

5852

期刊介绍： University Chemistry is an educational research academic journal supervised by the Ministry of Education and co-sponsored by Peking University and the Chinese Chemical Society. It was founded in 1986 and changed to a monthly publication in January 2016. Its purpose is to promote and deepen the reform of university chemistry education and serve to improve the level of chemistry teaching in my country. The main columns are: Today's Chemistry, Teaching Research and Reform, Knowledge Introduction, Chemical Experiments, Teacher-Student Chats, Future Chemists, etc. The journal has been included in many databases such as China Journal Network Full-text Database, Wanfang Database, Taiwan Huayi Database, Chinese Science and Technology Journal Database (Full-text Edition), and American Chemical Abstracts.